From a2af777b6bd0937171acfcd5b7eba2410fa3f8d2 Mon Sep 17 00:00:00 2001
From: Daniel White <daniel@whitehouse.id.au>
Date: Sat, 15 Nov 2014 02:29:25 +1100
Subject: Support for compiling SNMP MIBs

This is unfortunately unsuited as a plugin due to its dependence on erlc
for compilation. The MIBs must be compiled before an Erlang source.
---
 core/erlc.mk | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'core/erlc.mk')

diff --git a/core/erlc.mk b/core/erlc.mk
index a7f73f8..6479af7 100644
--- a/core/erlc.mk
+++ b/core/erlc.mk
@@ -10,6 +10,10 @@ ERLC_OPTS ?= -Werror +debug_info +warn_export_all +warn_export_vars \
 COMPILE_FIRST ?=
 COMPILE_FIRST_PATHS = $(addprefix src/,$(addsuffix .erl,$(COMPILE_FIRST)))
 
+ERLC_MIB_OPTS ?=
+COMPILE_MIB_FIRST ?=
+COMPILE_MIB_FIRST_PATHS = $(addprefix mibs/,$(addsuffix .mib,$(COMPILE_MIB_FIRST)))
+
 # Verbosity.
 
 appsrc_verbose_0 = @echo " APP   " $(PROJECT).app.src;
@@ -21,6 +25,9 @@ erlc_verbose = $(erlc_verbose_$(V))
 xyrl_verbose_0 = @echo " XYRL  " $(filter %.xrl %.yrl,$(?F));
 xyrl_verbose = $(xyrl_verbose_$(V))
 
+mib_verbose_0 = @echo " MIB  " $(filter %.bin %.mib,$(?F));
+mib_verbose = $(mib_verbose_$(V))
+
 # Core targets.
 
 app:: erlc-include ebin/$(PROJECT).app
@@ -47,10 +54,20 @@ define compile_xyrl
 	@rm ebin/*.erl
 endef
 
+define compile_mib
+	$(mib_verbose) erlc -v $(ERLC_MIB_OPTS) -o priv/mibs/ \
+		-I priv/mibs/ $(COMPILE_MIB_FIRST_PATHS) $(1)
+	$(mib_verbose) erlc -o include/ -- priv/mibs/*.bin
+endef
+
 ifneq ($(wildcard src/),)
 ebin/$(PROJECT).app::
 	@mkdir -p ebin/
 
+ebin/$(PROJECT).app:: $(shell find mibs -type f -name \*.mib)
+	@mkdir -p priv/mibs/ include
+	$(if $(strip $?),$(call compile_mib,$?))
+
 ebin/$(PROJECT).app:: $(shell find src -type f -name \*.erl) \
 		$(shell find src -type f -name \*.core)
 	$(if $(strip $?),$(call compile_erl,$?))
@@ -70,4 +87,5 @@ erlc-include:
 	fi
 
 clean-app:
-	$(gen_verbose) rm -rf ebin/
+	$(gen_verbose) rm -rf ebin/ priv/mibs/
+	$(gen_verbose) rm -f $(addprefix include/,$(addsuffix .hrl,$(notdir $(basename $(wildcard mibs/*.mib)))))
-- 
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